Sina Rafati Niya, Sanjiv S. Jha, Thomas Bocek, Burkhard Stiller: Design and Implementation of an Automated and Decentralized Pollution Monitoring System with Blockchains, Smart Contracts, and LoRaWAN; 2nd ForDigital Blockchain Workshop, Karlsruhe, Germany, February 2018, URL: https://files.ifi.uzh.ch/CSG/staff/scheid/extern/presentations/2ndForDigitalBlockchainWorkshop.pdf.